データ処理９ - 経済統計練習帳

package gdpx;
 
import java.io.*;
 
import java.io.File;
 
public class pro {
 
 
      String[][] mat=new String[300][300]; 
    int fastline,lastline;
   String[] pref=new String[300]; 
     String[] credit=new String[300]; 
 
    public static void main(String[] args) {
        pro test=new pro();
    }
 
    pro(){
 
        File f=new File("data");
        String[] ff=f.list();
 
 
        int maxx=100;
        int maxy=100;
 
        int tr=0;
        for(tr=0;tr<ff.length;tr++){
     readxls sub2=new readxls();
    sub2.maxx=maxx;
    sub2.maxy=maxy;
    sub2.makedata("data/"+ff[tr],0);
    mat=sub2.mat;
 
    fastline=7;
    lastline=53;
 
    int s,sx;
    for(s=fastline;s<lastline+1;s++){
    pref[s]=mat[s][2];
    System.out.println(s+","+mat[s][2]);    
    }
 
 
    for(s=1;s<101;s++){
    credit[s]=mat[5][s];
    System.out.println(s+","+credit[s]);    
    }
 
 
    writexml("gdata/"+ff[tr]+".txt");
        }
 
 
    }
 
 
    void writexml(String file){ 
 
    int s,sx;
 
try{ 
PrintWriter pw = new PrintWriter (new BufferedWriter(new FileWriter(file))); 
 
 
pw.print("");
for(s=fastline;s<lastline+1;s++){ 
pw.print(",");
pw.print(pref[s]);
}   
pw.println("");
for(sx=2;sx<101;sx++){  
if(credit[sx].length()>0){
pw.print(credit[sx]);
for(s=fastline;s<lastline+1;s++){ 
pw.print(",");
pw.print(mat[s][sx]);
}   
pw.println("");
}
}
 
 
System.out.println("ファイルに書きこみました。"); 
pw.close(); 
} catch(IOException ep){ System.out.println("入出力エラーです。"); } 
 
 
} 
 
 
}
 
 
 
package gdpx;
 
import java.io.FileInputStream;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
 
public class readxls{
 
    int pointx,pointy;
    int px,py;
    int maxx,minx,miny,maxy;
int creditrow;
    int checkline,checkx;
    String[][] mat=new String[10000][500];
 
 
  void makedata(String file,int shnumber){  
 
 
 
      try{
 
    FileInputStream is = new FileInputStream(file);
    Workbook wb = new HSSFWorkbook(is);
    Sheet sh = wb.getSheetAt(shnumber);
 
    int s,sx;
    int h1,h2;
 
    String str;
    for(s=miny;s<maxy+1;s++){
    for(sx=minx;sx<maxx+1;sx++){
    mat[s][sx]="";
    }
    }
 
    for(s=miny;s<maxy+1;s++){
    Row row = sh.getRow(s-1);
     h1=0;
    if(row==null)h1=100;
    if(h1<50){
    for(sx=minx;sx<maxx+1;sx++){
    Cell cell = row.getCell(sx-1);
    str="";
    h2=0;
    if(cell==null)h2=100;
    if(h2<50){
    int type =cell.getCellType();
    str="";
  if(type==0)str=""+cell.getNumericCellValue();
  if(type==1)str=cell.getStringCellValue();
   mat[s][sx]=str;
    }
    }
    }
    }
 
 
 
 
      } catch (Exception e) {e.printStackTrace();}
 
 
 
 
 
 
 
 
  }
}